how a bimetallic strip used in fire alarm
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Some heat detecting fire alarms rely on a bimetallic strip as the temperature sensor. This strip responds to heat by closing a normally open electrical circuit to activate the alarm. A bimetallic strip in a fire alarm bends to trigger the alarm.
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Explanation:
Some heat detecting fire alarms rely on a bimetallic strip as the temperature sensor. This strip responds to heat by closing a normally open electrical circuit to activate the alarm. A bimetallic strip in a fire alarm bends to trigger the alarm.
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